| Year | 2021 |
| Bore x Stroke | 70.0 x 51.8 mm |
| Capacity | 399 cc / 24.3 cu-in |
| Clutch | Wet, cable operated |
| Compression Ratio | 11.6:1 |
| Cooling System | Liquid cooled |
| Dimensions | Length 1990 mm / 78.3 in Width 710 mm / 27.9 in Height 1120 mm / 14.0 in |
| Engine | Four stroke, parallel twin cylinder. DOHC, 4 valves per cylinder. |
| Final Drive | Chain |
| Final Reduction Ratio | 2.929 (41/14) |
| Frame | Trellis, high-tensile steel |
| Front Brakes | Single semi-floating 310mm disc, Single balanced actuation dual-piston |
| Front Suspension | 41 mm telescopic fork |
| Front Tyre | 110/70-17 M/C 54S |
| Front Wheel Travel | 120 mm / 4.7 in |
| Fuel Capacity | 14 Litres / 3.7 US gal |
| Gear Ratio | 1st 2.929 (41/14) 2nd 2.056 (37/18) [ 3rd 1.619 (34/21) 4th 1.333 (32/24) 5th 1.154 (30/26) 6th 1.037 (28/27) |
| Ground Clearance | 140 mm / 5.5 in |
| Ignition | TCBI with digital advance / electric |
| Induction | Fuel Injection: 32mm x 2 Keihin |
| Lubrication | Forced Lubrication, wet sump |
| Max Power | 36 kW / 49 hp @ 10000 rpm |
| Max Torque | 38 Nm / 3.9 kgf.m @ 8000 rpm |
| Primary Reduction Ratio | 2.219 (71/32) |
| Rake | 24.7° |
| Rear Brakes | Single 220mm disc, Dual-piston |
| Rear Suspension | Bottom-Link Uni-Trak, gas-charged shock with adjustable preload |
| Rear Tyre | 150/60R17 M/C 66H |
| Rear Wheel Travel | 130 mm / 5.1 in |
| Seat Height | 785 mm / 30.9 in |
| Starting | Electric |
| Steering Angle | 35° / 35° |
| Trail | 92 mm / 3.6 in |
| Transmission | 6 Speed |
| Wet Weight | 166 kg / 366 lbs |
| Wheelbase | 1370 mm / 53.9 in |
